code: def kill(self):
      # Clean up children.
      ray.get(
          [child.__ray_terminate__.remote() for child in self.children]
      )
  
file_path: ray/release/nightly_tests/stress_tests/test_dead_actors.py
imports: import argparse
  import json
  import logging
  import numpy
  import os
  import sys
  import time
  import ray
label_desc: Use image node_id 3 for calling the Parent obj's underlying member method code with example usage: obj.kill() without return types